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Spok Holdings

126 hedge funds and large institutions have $309M invested in Spok Holdings in 2015 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 43 increasing their positions, 43 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Sellers

1 -$2.89M
2 -$1.56M
3 -$899K
4
Renaissance Technologies
Renaissance Technologies
New York
-$865K
5
Morgan Stanley
Morgan Stanley
New York
-$679K
Name Holding Trade Value Shares
Change
Change in
Stake
26
$2.04M
27
$2.04M
28
$1.98M
29
$1.81M
30
$1.72M
31
$1.71M
32
$1.64M
33
$1.55M
34
$1.51M
35
$1.48M
36
$1.47M
37
$1.3M
38
$1.25M
39
$1.17M
40
$1.08M
41
$1.03M
42
$993K
43
$986K
44
$948K
45
$858K
46
$739K
47
$738K
48
$702K
49
$672K
50
$658K